Chapter 2 Study Guide



Chapter 2 Study Guide Name _____________

Significant Figures

1. Write down the four rules for counting significant figures.

1.________________________________________________________________

2.________________________________________________________________

3.________________________________________________________________

4.________________________________________________________________

2. Summarize the rule for adding and subtracting significant figures.

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3. Summarize the rule for multiplying and dividing significant figures.

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4. 10.214m+9.13m+41.3943m=______________________

5. 2.1g/3.20mL=_________________

6. 6.114g/(2.1mol+6.996mol)=__________________

7. 100.21cm+4.94cm-1.05cm=__________________

Scientific Notation

8. Summarize the rules for writing a number in scientific notation.

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Write the following in ordinary decimal numbers.

9. 7.2x102______________________ 10. 3.001x10-2_______________________

Write the following in scientific notation.

11. 0.00078145___________________ 12. 26755______________________

Conversions (Show All Work)

13. 4.214kg to grams

14. 0.00392cm3 of water to grams

15. 9.216cm to millimeters

16. 4.2km to meters

17. 70.35dm3 to liters

Density (Show All Work)

18. mass=4.21g; volume=4.31mL; density=__________

19. volume=1.21L; density=0.891g/mL; mass=___________

20. mass=225g; density=9.21g/mL; volume=_____________

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